How Does A Septic Tank Work ?
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Each time you flush the toilet, wash something down the sink’s drain, empty a water tub the water goes somewhere. But where does it go? What happens to it? Actually this water goes to a septic tank or a water treatment system.
A septic tank collects waste water from toilets, showers, sinks, etc. A septic tank is simply a rectangular shaped, big concrete or steel tank that is buried in the yard. The tank might hold 1,000 gallons (4,000 liters) of water. Waste water flows into the tank at one end and treated water leaves the tank at the other.
All the waste water from your home goes out through a sewer line to the septic tank. In septic tank the water is divided into layers depending on the weight of impurities and water.
A septic tank has three layers. Top most layer is scum layer that contains the light weighted impurities that floats on water. Things heavier than water, sinks to form the sludge layer at the bottom of the tank. In the middle is a fairly clear water layer. It contains bacteria that start to attack and break down the waste immediately. This water also contains chemicals like nitrogen and phosphorous that act as fertilizers.
What happens with this treated water? The treated water goes to drain fields where the oxygen and organisms present in soil can decompose the remaining impurities of water. The water can be used by plant roots or can be stored as ground water.
The rate of filtration and absorption of water is little slow. This rate is directly proportional to ground size. If the ground is big, water will be absorbed faster and vice-versa. At places, where the soil is not very porous, the drain field has to be much bigger.
A septic plant should be big in size. If the septic plant will be small then waste water will come into the tank very often and water in the tank will not get time to get filtered properly. In this scenario, some of the solid particles can go to the drain field and will affect the environment.
The force behind the septic system is gravity. Waste water from homes goes to septic tank because of gravity and from septic tank to drain field. If you want to add years to the septic tank then stop throwing solid and non-degradable waste into the drains. Become environment friendly.
Scott Rodgers is a noted author who has been providing great guidance on plumbing works all over the country. His splendid knowledge has, in fact, sparked significant rise in revenue for talented plumbers across the nation, from Hurlburt Field Plumbers (Need one?click here!) to Chowchilla Plumbers (Need one?click here!).
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